MLOS Harmonization

Summary Tables, Graphs, and Statistics of MLOS V2 and MLOS Combined.

Overall Analysis

Total count of rows in MLOW V2 and MLOS Combined

Total rows in MLOS v2: 447,277

Total rows in MLOS Combined: 446,733

Count of rows with at least one flag (has flag_issue): 103,633

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MLOS V2 by Count of Point Sources

Count of unique median_ids regardless if point is from the same source.

Total number of source records: 667,872 in 447,277 MLOS v2 rows.

Source record per MLOS V2 record

source_count	records	share	pct_label
1	336894	0.7532111	75.3%
2	62263	0.1392046	13.9%
3	26082	0.0583129	5.8%
4	10258	0.0229343	2.3%
5	3339	0.0074652	0.7%
6	2956	0.0066089	0.7%
7	1629	0.0036420	0.4%
8	1250	0.0027947	0.3%
9	789	0.0017640	0.2%
10	512	0.0011447	0.1%
11	308	0.0006886	0.1%
12	259	0.0005791	0.1%
13	178	0.0003980	0.0%
14	130	0.0002906	0.0%
15	92	0.0002057	0.0%
16	80	0.0001789	0.0%
17	47	0.0001051	0.0%
18	43	0.0000961	0.0%
19	30	0.0000671	0.0%
20	24	0.0000537	0.0%
21	15	0.0000335	0.0%
23	12	0.0000268	0.0%
24	11	0.0000246	0.0%
27	10	0.0000224	0.0%
22	9	0.0000201	0.0%
26	9	0.0000201	0.0%
25	6	0.0000134	0.0%
28	5	0.0000112	0.0%
32	5	0.0000112	0.0%
30	4	0.0000089	0.0%
31	4	0.0000089	0.0%
33	4	0.0000089	0.0%
34	4	0.0000089	0.0%
29	3	0.0000067	0.0%
41	3	0.0000067	0.0%
36	2	0.0000045	0.0%
35	1	0.0000022	0.0%
37	1	0.0000022	0.0%
40	1	0.0000022	0.0%
42	1	0.0000022	0.0%
48	1	0.0000022	0.0%
59	1	0.0000022	0.0%
69	1	0.0000022	0.0%
75	1	0.0000022	0.0%

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Count per source

Source presence across MLoS records

Source	Records	Share of total
eHealth Geodatabase (2025)	312,337	46.1%
National Polio EOC Geodatabase	189,586	28.0%
eHealth Geodatabase (2021-2024)	83,997	12.4%
Kaduna MLoS	27,471	4.1%
OSM 2025	21,140	3.1%
GRID3	17,216	2.5%
Lagos VTS 2024	9,407	1.4%
CIESIN	6,140	0.9%
GMT	4,897	0.7%
Sokoto MLoS	3,600	0.5%
FACT Foundation (2024)	541	0.1%
Fact Foundation (2025)	448	0.1%
eHealth Niger (2023-2025)	304	0.0%

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Flags Analysis

Flag totals with definitions and percent of all rows

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	24,346	5.4%
flag2	Other records have same combination of LGA, ward, settlement names	25,070	5.6%
flag3	Discrepancy in LGA names between matched settlement names	1,107	0.2%
flag4	Discrepancy in Ward names between matched settlement names	6,027	1.3%
flag5	Is within 1m of another settlement point	6,908	1.5%
flag6	Is within 25m of another settlement point	60,092	13.4%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	343,644	76.8%

All flag combinations

	Flag combination	Records
33	None	343,644
32	F6	45,462
1	F1	19,962
13	F2	17,029
31	F5+F6	5,570
21	F2+F6	4,538
28	F4	3,986
12	F1+F6	1,545
2	F1+F2	1,284
6	F1+F2+F6	908
23	F3+F4	861
20	F2+F5+F6	766
30	F4+F6	514
11	F1+F5+F6	348
17	F2+F4	258
5	F1+F2+F5+F6	185
25	F3+F4+F6	163
9	F1+F4	89
15	F2+F3+F4	46
19	F2+F4+F6	41
29	F4+F5+F6	31
8	F1+F3+F4	15
16	F2+F3+F4+F6	7
10	F1+F4+F6	5
24	F3+F4+F5+F6	5
22	F3	4
4	F1+F2+F4	3
14	F2+F3	2
18	F2+F4+F5+F6	2
3	F1+F2+F3+F4	1
7	F1+F3	1
26	F3+F5+F6	1
27	F3+F6	1

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Duplicate count

Number of records that share the same combination of values in the lga_standard, ward_standard, and g3_settl fields.

Number of recors with same combination: counts and shares

Combination Count	Records	Share
1	422,207	94.4%
2	21,492	4.8%
3	2,668	0.6%
4	548	0.1%
5	185	0.0%
6	66	0.0%
8	48	0.0%
7	42	0.0%
11	11	0.0%
10	10	0.0%

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By State

Count of rows by state

Rows per state by flag_count (counts)

State	0	1	2	3	4	Total
Kano	29975	9179	1391	214	5	40764
Kaduna	28584	7444	1054	115	5	37202
Niger	19545	5739	2949	205	9	28447
Bauchi	23355	4603	307	16	1	28282
Borno	17799	5336	774	69	2	23980
Katsina	19958	2389	231	11	0	22589
Ogun	13421	4066	404	26	9	17926
Kebbi	12931	3156	599	290	22	16998
Adamawa	12480	3169	352	26	3	16030
Sokoto	8489	4843	1905	706	18	15961
Jigawa	13027	1691	151	15	1	14885
Yobe	9862	3928	700	118	3	14611
Benue	12899	1066	133	0	0	14098
Kwara	10691	2878	182	29	0	13780
Zamfara	9778	3180	565	93	9	13625
Plateau	10781	2545	190	7	0	13523
Oyo	10064	1342	59	3	1	11469
Taraba	9445	1741	125	12	1	11324
Lagos	5635	4171	1244	127	0	11177
Gombe	8499	1234	169	17	0	9919
Kogi	6510	2853	444	55	1	9863
Nasarawa	6403	2321	207	12	0	8943
Ebonyi	6574	848	12	0	0	7434
Cross River	6022	1125	22	5	1	7175
Osun	4886	945	50	40	38	5959
FCT, Abuja	2780	928	234	42	1	3985
Imo	3688	132	2	0	0	3822
Ondo	2091	1015	57	40	37	3240
Anambra	2660	139	3	0	0	2802
Abia	2496	207	6	0	0	2709
Delta	2185	326	11	0	0	2522
Edo	2072	320	14	8	8	2422
Akwa Ibom	2148	166	36	0	0	2350
Ekiti	1490	701	24	23	23	2261
Bayelsa	1615	391	44	1	0	2051
Enugu	1491	151	6	2	2	1652
Rivers	1315	175	7	0	0	1497
Total	343644	86443	14663	2327	200	447277

Abia

Abia
Total rows in MLOS v2: 2,709

Sources per record (Abia)

Sources per record	Records	Share of total
0	0	0%
1	2,564	94.6%
2	140	5.2%
3	4	0.1%
4	1	0%

Source presence across MLoS records (Abia)

Source	Records	Share of total
National Polio EOC Geodatabase	2,633	93.7%
eHealth Geodatabase (2021-2024)	95	3.4%
OSM 2025	82	2.9%

Flag totals with definitions and percent of all rows — Abia

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	34	1.3%
flag2	Other records have same combination of LGA, ward, settlement names	59	2.2%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	1	0.0%
flag5	Is within 1m of another settlement point	0	0.0%
flag6	Is within 25m of another settlement point	125	4.6%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	2,496	92.1%

All flag combinations — Abia

Flag combination	Records
None	2,496
F6	123
F2	53
F1	30
F1+F2	4
F2+F6	2
F4	1

Adamawa

Adamawa
Total rows in MLOS v2: 16,030

Sources per record (Adamawa)

Sources per record	Records	Share of total
0	0	0%
1	11,677	72.8%
2	2,551	15.9%
3	1,177	7.3%
4	317	2%
5	136	0.8%
6	92	0.6%
7	33	0.2%
8	19	0.1%
9	12	0.1%
10	5	0%
11	4	0%
12	4	0%
13	2	0%
14	1	0%

Source presence across MLoS records (Adamawa)

Source	Records	Share of total
eHealth Geodatabase (2025)	9,239	44.2%
National Polio EOC Geodatabase	7,373	35.3%
eHealth Geodatabase (2021-2024)	2,815	13.5%
CIESIN	785	3.8%
OSM 2025	493	2.4%
FACT Foundation (2024)	185	0.9%

Flag totals with definitions and percent of all rows — Adamawa

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	596	3.7%
flag2	Other records have same combination of LGA, ward, settlement names	1,267	7.9%
flag3	Discrepancy in LGA names between matched settlement names	32	0.2%
flag4	Discrepancy in Ward names between matched settlement names	376	2.3%
flag5	Is within 1m of another settlement point	99	0.6%
flag6	Is within 25m of another settlement point	1,593	9.9%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	12,480	77.9%

All flag combinations — Adamawa

Flag combination	Records
None	12,480
F6	1,339
F2	1,048
F1	493
F4	289
F2+F6	111
F5+F6	80
F1+F2	65
F3+F4	25
F4+F6	22
F2+F4	20
F1+F6	17
F1+F4	12
F2+F5+F6	12
F1+F5+F6	5
F2+F3+F4	5
F1+F2+F5+F6	2
F1+F2+F6	2
F2+F3+F4+F6	1
F2+F4+F6	1
F3+F4+F6	1

Akwa Ibom

Akwa Ibom
Total rows in MLOS v2: 2,350

Sources per record (Akwa Ibom)

Sources per record	Records	Share of total
0	0	0%
1	1,939	82.5%
2	401	17.1%
3	9	0.4%
4	1	0%

Source presence across MLoS records (Akwa Ibom)

Source	Records	Share of total
National Polio EOC Geodatabase	2,024	74.1%
eHealth Geodatabase (2021-2024)	377	13.8%
OSM 2025	331	12.1%

Flag totals with definitions and percent of all rows — Akwa Ibom

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	31	1.3%
flag2	Other records have same combination of LGA, ward, settlement names	121	5.1%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	0	0.0%
flag5	Is within 1m of another settlement point	32	1.4%
flag6	Is within 25m of another settlement point	54	2.3%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	2,148	91.4%

All flag combinations — Akwa Ibom

Flag combination	Records
None	2,148
F2	117
F5+F6	32
F1	27
F6	22
F1+F2	4

Anambra

Anambra
Total rows in MLOS v2: 2,802

Sources per record (Anambra)

Sources per record	Records	Share of total
0	0	0%
1	2,716	96.9%
2	79	2.8%
3	7	0.2%

Source presence across MLoS records (Anambra)

Source	Records	Share of total
National Polio EOC Geodatabase	2,696	94.3%
OSM 2025	110	3.8%
eHealth Geodatabase (2021-2024)	54	1.9%

Flag totals with definitions and percent of all rows — Anambra

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	71	2.5%
flag2	Other records have same combination of LGA, ward, settlement names	41	1.5%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	0	0.0%
flag5	Is within 1m of another settlement point	2	0.1%
flag6	Is within 25m of another settlement point	31	1.1%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	2,660	94.9%

All flag combinations — Anambra

Flag combination	Records
None	2,660
F1	71
F2	40
F6	28
F5+F6	2
F2+F6	1

Bauchi

Bauchi
Total rows in MLOS v2: 28,282

Sources per record (Bauchi)

Sources per record	Records	Share of total
0	0	0%
1	22,172	78.4%
2	2,728	9.6%
3	1,619	5.7%
4	522	1.8%
5	339	1.2%
6	347	1.2%
7	149	0.5%
8	126	0.4%
9	79	0.3%
10	57	0.2%
11	33	0.1%
12	28	0.1%
13	15	0.1%
14	15	0.1%
15	12	0%
16	12	0%
17	5	0%
18	3	0%
19	4	0%
20	2	0%
21	3	0%
22	1	0%
23	1	0%
24	0	0%
25	1	0%
26	1	0%
27	3	0%
28	1	0%
29	2	0%
30	1	0%
31	0	0%
32	0	0%
33	0	0%
34	0	0%
35	0	0%
36	0	0%
37	0	0%
38	0	0%
39	0	0%
40	0	0%
41	0	0%
42	0	0%
43	0	0%
44	0	0%
45	0	0%
46	0	0%
47	0	0%
48	0	0%
49	0	0%
50	0	0%
51	0	0%
52	0	0%
53	0	0%
54	0	0%
55	0	0%
56	0	0%
57	0	0%
58	0	0%
59	0	0%
60	0	0%
61	0	0%
62	0	0%
63	0	0%
64	0	0%
65	0	0%
66	0	0%
67	0	0%
68	0	0%
69	1	0%

Source presence across MLoS records (Bauchi)

Source	Records	Share of total
eHealth Geodatabase (2025)	26,508	74.4%
eHealth Geodatabase (2021-2024)	4,887	13.7%
National Polio EOC Geodatabase	3,896	10.9%
OSM 2025	324	0.9%

Flag totals with definitions and percent of all rows — Bauchi

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	946	3.3%
flag2	Other records have same combination of LGA, ward, settlement names	390	1.4%
flag3	Discrepancy in LGA names between matched settlement names	13	0.0%
flag4	Discrepancy in Ward names between matched settlement names	211	0.7%
flag5	Is within 1m of another settlement point	143	0.5%
flag6	Is within 25m of another settlement point	3,566	12.6%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	23,355	82.6%

All flag combinations — Bauchi

Flag combination	Records
None	23,355
F6	3,305
F1	867
F2	284
F4	147
F5+F6	132
F2+F6	45
F1+F6	39
F1+F2	31
F4+F6	29
F2+F4	17
F3+F4	12
F2+F5+F6	7
F1+F5+F6	3
F1+F2+F6	2
F1+F4	2
F2+F4+F6	2
F1+F2+F4	1
F1+F2+F5+F6	1
F3+F4+F6	1

Bayelsa

Bayelsa
Total rows in MLOS v2: 2,051

Sources per record (Bayelsa)

Sources per record	Records	Share of total
0	0	0%
1	1,821	88.8%
2	192	9.4%
3	32	1.6%
4	6	0.3%

Source presence across MLoS records (Bayelsa)

Source	Records	Share of total
National Polio EOC Geodatabase	1,814	83%
OSM 2025	312	14.3%
eHealth Geodatabase (2021-2024)	59	2.7%

Flag totals with definitions and percent of all rows — Bayelsa

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	190	9.3%
flag2	Other records have same combination of LGA, ward, settlement names	46	2.2%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	0	0.0%
flag5	Is within 1m of another settlement point	14	0.7%
flag6	Is within 25m of another settlement point	232	11.3%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	1,615	78.7%

All flag combinations — Bayelsa

Flag combination	Records
None	1,615
F6	190
F1	159
F2	42
F1+F6	28
F5+F6	13
F1+F2	3
F2+F5+F6	1

Benue

Benue
Total rows in MLOS v2: 14,098

Sources per record (Benue)

Sources per record	Records	Share of total
0	0	0%
1	13,558	96.2%
2	446	3.2%
3	73	0.5%
4	16	0.1%
5	4	0%
6	1	0%

Source presence across MLoS records (Benue)

Source	Records	Share of total
eHealth Geodatabase (2025)	13,714	96.2%
National Polio EOC Geodatabase	387	2.7%
OSM 2025	133	0.9%
eHealth Geodatabase (2021-2024)	17	0.1%

Flag totals with definitions and percent of all rows — Benue

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	261	1.9%
flag2	Other records have same combination of LGA, ward, settlement names	223	1.6%
flag3	Discrepancy in LGA names between matched settlement names	3	0.0%
flag4	Discrepancy in Ward names between matched settlement names	13	0.1%
flag5	Is within 1m of another settlement point	101	0.7%
flag6	Is within 25m of another settlement point	731	5.2%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	12,899	91.5%

All flag combinations — Benue

Flag combination	Records
None	12,899
F6	607
F1	254
F2	195
F5+F6	101
F2+F6	20
F4	10
F1+F2	5
F1+F6	2
F2+F3	2
F2+F4	1
F3+F4	1
F4+F6	1

Borno

Borno
Total rows in MLOS v2: 23,980

Sources per record (Borno)

Sources per record	Records	Share of total
0	0	0%
1	18,078	75.4%
2	4,726	19.7%
3	698	2.9%
4	203	0.8%
5	78	0.3%
6	117	0.5%
7	53	0.2%
8	12	0.1%
9	6	0%
10	5	0%
11	1	0%
12	1	0%
13	0	0%
14	0	0%
15	1	0%
16	0	0%
17	0	0%
18	0	0%
19	0	0%
20	0	0%
21	0	0%
22	0	0%
23	0	0%
24	1	0%

Source presence across MLoS records (Borno)

Source	Records	Share of total
eHealth Geodatabase (2025)	19,389	63.7%
OSM 2025	6,132	20.1%
National Polio EOC Geodatabase	3,429	11.3%
eHealth Geodatabase (2021-2024)	1,226	4%
FACT Foundation (2024)	142	0.5%
CIESIN	138	0.5%

Flag totals with definitions and percent of all rows — Borno

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	3,630	15.1%
flag2	Other records have same combination of LGA, ward, settlement names	1,038	4.3%
flag3	Discrepancy in LGA names between matched settlement names	4	0.0%
flag4	Discrepancy in Ward names between matched settlement names	51	0.2%
flag5	Is within 1m of another settlement point	466	1.9%
flag6	Is within 25m of another settlement point	1,910	8.0%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	17,799	74.2%

All flag combinations — Borno

Flag combination	Records
None	17,799
F1	3,358
F6	1,195
F2	746
F5+F6	399
F2+F6	146
F1+F2	118
F1+F6	97
F1+F5+F6	46
F4	37
F2+F5+F6	19
F1+F4	5
F1+F2+F6	4
F3+F4	4
F2+F4	3
F1+F2+F5+F6	2
F4+F6	2

Cross River

Cross River
Total rows in MLOS v2: 7,175

Sources per record (Cross River)

Sources per record	Records	Share of total
0	0	0%
1	6,480	90.3%
2	571	8%
3	79	1.1%
4	26	0.4%
5	8	0.1%
6	5	0.1%
7	4	0.1%
8	0	0%
9	1	0%
10	0	0%
11	0	0%
12	0	0%
13	0	0%
14	1	0%

Source presence across MLoS records (Cross River)

Source	Records	Share of total
National Polio EOC Geodatabase	6,934	92.6%
OSM 2025	304	4.1%
eHealth Geodatabase (2021-2024)	250	3.3%

Flag totals with definitions and percent of all rows — Cross River

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	137	1.9%
flag2	Other records have same combination of LGA, ward, settlement names	130	1.8%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	3	0.0%
flag5	Is within 1m of another settlement point	7	0.1%
flag6	Is within 25m of another settlement point	911	12.7%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	6,022	83.9%

All flag combinations — Cross River

Flag combination	Records
None	6,022
F6	899
F1	116
F2	107
F1+F2	16
F2+F6	5
F1+F5+F6	4
F4	3
F1+F2+F5+F6	1
F2+F5+F6	1
F5+F6	1

Delta

Delta
Total rows in MLOS v2: 2,522

Sources per record (Delta)

Sources per record	Records	Share of total
0	0	0%
1	2,249	89.2%
2	243	9.6%
3	25	1%
4	5	0.2%

Source presence across MLoS records (Delta)

Source	Records	Share of total
National Polio EOC Geodatabase	2,015	72.6%
OSM 2025	654	23.6%
eHealth Geodatabase (2021-2024)	107	3.9%

Flag totals with definitions and percent of all rows — Delta

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	71	2.8%
flag2	Other records have same combination of LGA, ward, settlement names	170	6.7%
flag3	Discrepancy in LGA names between matched settlement names	1	0.0%
flag4	Discrepancy in Ward names between matched settlement names	3	0.1%
flag5	Is within 1m of another settlement point	0	0.0%
flag6	Is within 25m of another settlement point	103	4.1%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	2,185	86.6%

All flag combinations — Delta

Flag combination	Records
None	2,185
F2	162
F6	96
F1	66
F2+F6	5
F1+F2	3
F1+F6	2
F4	2
F3+F4	1

Ebonyi

Ebonyi
Total rows in MLOS v2: 7,434

Sources per record (Ebonyi)

Sources per record	Records	Share of total
0	0	0%
1	6,751	90.8%
2	604	8.1%
3	56	0.8%
4	11	0.1%
5	7	0.1%
6	2	0%
7	2	0%
8	1	0%

Source presence across MLoS records (Ebonyi)

Source	Records	Share of total
National Polio EOC Geodatabase	7,280	94.1%
eHealth Geodatabase (2021-2024)	297	3.8%
OSM 2025	161	2.1%

Flag totals with definitions and percent of all rows — Ebonyi

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	59	0.8%
flag2	Other records have same combination of LGA, ward, settlement names	74	1.0%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	2	0.0%
flag5	Is within 1m of another settlement point	2	0.0%
flag6	Is within 25m of another settlement point	735	9.9%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	6,574	88.4%

All flag combinations — Ebonyi

Flag combination	Records
None	6,574
F6	724
F2	70
F1	53
F1+F6	6
F2+F6	3
F5+F6	2
F2+F4	1
F4	1

Edo

Edo
Total rows in MLOS v2: 2,422

Sources per record (Edo)

Sources per record	Records	Share of total
0	0	0%
1	2,136	88.2%
2	271	11.2%
3	13	0.5%
4	2	0.1%

Source presence across MLoS records (Edo)

Source	Records	Share of total
National Polio EOC Geodatabase	2,105	78.3%
OSM 2025	377	14%
eHealth Geodatabase (2021-2024)	207	7.7%

Flag totals with definitions and percent of all rows — Edo

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	176	7.3%
flag2	Other records have same combination of LGA, ward, settlement names	149	6.2%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	0	0.0%
flag5	Is within 1m of another settlement point	20	0.8%
flag6	Is within 25m of another settlement point	59	2.4%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	2,072	85.5%

All flag combinations — Edo

Flag combination	Records
None	2,072
F1	160
F2	124
F6	36
F1+F2+F5+F6	8
F2+F5+F6	8
F1+F2	7
F5+F6	4
F2+F6	2
F1+F6	1

Ekiti

Ekiti
Total rows in MLOS v2: 2,261

Sources per record (Ekiti)

Sources per record	Records	Share of total
0	0	0%
1	2,130	94.2%
2	125	5.5%
3	6	0.3%

Source presence across MLoS records (Ekiti)

Source	Records	Share of total
National Polio EOC Geodatabase	2,162	91.4%
eHealth Geodatabase (2021-2024)	121	5.1%
OSM 2025	83	3.5%

Flag totals with definitions and percent of all rows — Ekiti

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	652	28.8%
flag2	Other records have same combination of LGA, ward, settlement names	70	3.1%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	0	0.0%
flag5	Is within 1m of another settlement point	48	2.1%
flag6	Is within 25m of another settlement point	140	6.2%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	1,490	65.9%

All flag combinations — Ekiti

Flag combination	Records
None	1,490
F1	609
F6	72
F1+F2+F5+F6	23
F2+F5+F6	23
F2	20
F1+F6	18
F1+F2	2
F2+F6	2
F5+F6	2

Enugu

Enugu
Total rows in MLOS v2: 1,652

Sources per record (Enugu)

Sources per record	Records	Share of total
0	0	0%
1	1,584	95.9%
2	66	4%
3	1	0.1%
4	1	0.1%

Source presence across MLoS records (Enugu)

Source	Records	Share of total
National Polio EOC Geodatabase	1,567	92.3%
OSM 2025	89	5.2%
eHealth Geodatabase (2021-2024)	42	2.5%

Flag totals with definitions and percent of all rows — Enugu

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	75	4.5%
flag2	Other records have same combination of LGA, ward, settlement names	62	3.8%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	1	0.1%
flag5	Is within 1m of another settlement point	6	0.4%
flag6	Is within 25m of another settlement point	33	2.0%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	1,491	90.3%

All flag combinations — Enugu

Flag combination	Records
None	1,491
F1	69
F2	55
F6	27
F1+F2	3
F1+F2+F5+F6	2
F2+F5+F6	2
F5+F6	2
F1+F4	1

FCT, Abuja

FCT, Abuja
Total rows in MLOS v2: 3,985

Sources per record (FCT, Abuja)

Sources per record	Records	Share of total
0	0	0%
1	2,640	66.2%
2	654	16.4%
3	579	14.5%
4	59	1.5%
5	21	0.5%
6	24	0.6%
7	5	0.1%
8	2	0.1%
9	1	0%

Source presence across MLoS records (FCT, Abuja)

Source	Records	Share of total
eHealth Geodatabase (2025)	3,596	62.7%
eHealth Geodatabase (2021-2024)	1,211	21.1%
National Polio EOC Geodatabase	864	15.1%
OSM 2025	66	1.2%

Flag totals with definitions and percent of all rows — FCT, Abuja

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	189	4.7%
flag2	Other records have same combination of LGA, ward, settlement names	180	4.5%
flag3	Discrepancy in LGA names between matched settlement names	12	0.3%
flag4	Discrepancy in Ward names between matched settlement names	58	1.5%
flag5	Is within 1m of another settlement point	135	3.4%
flag6	Is within 25m of another settlement point	952	23.9%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	2,780	69.8%

All flag combinations — FCT, Abuja

Flag combination	Records
None	2,780
F6	694
F5+F6	122
F1	115
F2	92
F2+F6	49
F1+F6	34
F1+F2+F6	28
F4	27
F3+F4	10
F4+F6	10
F1+F2	6
F4+F5+F6	6
F1+F5+F6	5
F2+F4	2
F2+F5+F6	2
F1+F4	1
F2+F3+F4+F6	1
F3+F4+F6	1

Gombe

Gombe
Total rows in MLOS v2: 9,919

Sources per record (Gombe)

Sources per record	Records	Share of total
0	0	0%
1	7,736	78%
2	1,356	13.7%
3	438	4.4%
4	232	2.3%
5	76	0.8%
6	48	0.5%
7	13	0.1%
8	6	0.1%
9	6	0.1%
10	4	0%
11	1	0%
12	2	0%
13	0	0%
14	0	0%
15	0	0%
16	0	0%
17	0	0%
18	0	0%
19	1	0%

Source presence across MLoS records (Gombe)

Source	Records	Share of total
eHealth Geodatabase (2025)	8,691	73.9%
GRID3	1,318	11.2%
National Polio EOC Geodatabase	862	7.3%
eHealth Geodatabase (2021-2024)	722	6.1%
OSM 2025	160	1.4%

Flag totals with definitions and percent of all rows — Gombe

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	406	4.1%
flag2	Other records have same combination of LGA, ward, settlement names	524	5.3%
flag3	Discrepancy in LGA names between matched settlement names	34	0.3%
flag4	Discrepancy in Ward names between matched settlement names	137	1.4%
flag5	Is within 1m of another settlement point	27	0.3%
flag6	Is within 25m of another settlement point	495	5.0%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	8,499	85.7%

All flag combinations — Gombe

Flag combination	Records
None	8,499
F2	402
F6	393
F1	359
F4	80
F2+F6	59
F1+F2	37
F3+F4	27
F5+F6	22
F2+F4	12
F2+F5+F6	5
F4+F6	5
F1+F4	4
F2+F3+F4	4
F1+F2+F6	3
F1+F6	3
F3+F4+F6	3
F2+F4+F6	2

Imo

Imo
Total rows in MLOS v2: 3,822

Sources per record (Imo)

Sources per record	Records	Share of total
0	0	0%
1	3,707	97%
2	107	2.8%
3	7	0.2%
4	1	0%

Source presence across MLoS records (Imo)

Source	Records	Share of total
National Polio EOC Geodatabase	3,685	94.5%
OSM 2025	154	4%
eHealth Geodatabase (2021-2024)	59	1.5%

Flag totals with definitions and percent of all rows — Imo

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	22	0.6%
flag2	Other records have same combination of LGA, ward, settlement names	48	1.3%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	0	0.0%
flag5	Is within 1m of another settlement point	0	0.0%
flag6	Is within 25m of another settlement point	66	1.7%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	3,688	96.5%

All flag combinations — Imo

Flag combination	Records
None	3,688
F6	65
F2	46
F1	21
F1+F2	1
F2+F6	1

Jigawa

Jigawa
Total rows in MLOS v2: 14,885

Sources per record (Jigawa)

Sources per record	Records	Share of total
0	0	0%
1	10,973	73.7%
2	1,866	12.5%
3	863	5.8%
4	344	2.3%
5	178	1.2%
6	181	1.2%
7	134	0.9%
8	96	0.6%
9	66	0.4%
10	49	0.3%
11	32	0.2%
12	23	0.2%
13	19	0.1%
14	16	0.1%
15	12	0.1%
16	8	0.1%
17	5	0%
18	5	0%
19	3	0%
20	3	0%
21	2	0%
22	0	0%
23	0	0%
24	0	0%
25	1	0%
26	1	0%
27	1	0%
28	1	0%
29	0	0%
30	2	0%
31	0	0%
32	0	0%
33	1	0%

Source presence across MLoS records (Jigawa)

Source	Records	Share of total
eHealth Geodatabase (2025)	11,460	57.4%
National Polio EOC Geodatabase	3,216	16.1%
GRID3	2,481	12.4%
eHealth Geodatabase (2021-2024)	2,465	12.3%
OSM 2025	265	1.3%
Fact Foundation (2025)	89	0.4%

Flag totals with definitions and percent of all rows — Jigawa

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	454	3.1%
flag2	Other records have same combination of LGA, ward, settlement names	448	3.0%
flag3	Discrepancy in LGA names between matched settlement names	12	0.1%
flag4	Discrepancy in Ward names between matched settlement names	75	0.5%
flag5	Is within 1m of another settlement point	57	0.4%
flag6	Is within 25m of another settlement point	996	6.7%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	13,027	87.5%

All flag combinations — Jigawa

Flag combination	Records
None	13,027
F6	866
F1	420
F2	349
F2+F6	61
F4	55
F5+F6	42
F1+F2	22
F2+F5+F6	10
F3+F4	10
F1+F6	7
F2+F4	4
F4+F6	4
F1+F5+F6	3
F1+F2+F5+F6	1
F1+F4	1
F2+F4+F6	1
F3	1
F3+F5+F6	1

Kaduna

Kaduna
Total rows in MLOS v2: 37,202

Sources per record (Kaduna)

Sources per record	Records	Share of total
0	0	0%
1	10,579	28.4%
2	14,549	39.1%
3	5,671	15.2%
4	4,450	12%
5	595	1.6%
6	357	1%
7	240	0.6%
8	390	1%
9	107	0.3%
10	88	0.2%
11	39	0.1%
12	48	0.1%
13	24	0.1%
14	21	0.1%
15	7	0%
16	9	0%
17	6	0%
18	3	0%
19	3	0%
20	6	0%
21	0	0%
22	1	0%
23	0	0%
24	2	0%
25	1	0%
26	0	0%
27	0	0%
28	1	0%
29	1	0%
30	0	0%
31	0	0%
32	2	0%
33	0	0%
34	1	0%
35	0	0%
36	0	0%
37	0	0%
38	0	0%
39	0	0%
40	1	0%

Source presence across MLoS records (Kaduna)

Source	Records	Share of total
eHealth Geodatabase (2025)	26,393	32.7%
Kaduna MLoS	25,426	31.5%
National Polio EOC Geodatabase	14,805	18.4%
eHealth Geodatabase (2021-2024)	11,322	14%
GMT	2,172	2.7%
OSM 2025	517	0.6%

Flag totals with definitions and percent of all rows — Kaduna

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	2,041	5.5%
flag2	Other records have same combination of LGA, ward, settlement names	1,120	3.0%
flag3	Discrepancy in LGA names between matched settlement names	110	0.3%
flag4	Discrepancy in Ward names between matched settlement names	530	1.4%
flag5	Is within 1m of another settlement point	579	1.6%
flag6	Is within 25m of another settlement point	5,537	14.9%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	28,584	76.8%

All flag combinations — Kaduna

Flag combination	Records
None	28,584
F6	4,550
F1	1,736
F2	808
F5+F6	496
F4	350
F1+F6	170
F2+F6	169
F3+F4	96
F1+F2	64
F2+F5+F6	40
F4+F6	38
F1+F5+F6	33
F1+F2+F6	18
F2+F4	12
F1+F4	9
F3+F4+F6	8
F4+F5+F6	6
F1+F2+F5+F6	4
F1+F3+F4	4
F2+F4+F6	3
F1+F4+F6	2
F1+F2+F3+F4	1
F2+F3+F4	1

Kano

Kano
Total rows in MLOS v2: 40,764

Sources per record (Kano)

Sources per record	Records	Share of total
0	0	0%
1	27,559	67.6%
2	6,359	15.6%
3	3,692	9.1%
4	1,223	3%
5	628	1.5%
6	466	1.1%
7	256	0.6%
8	170	0.4%
9	103	0.3%
10	86	0.2%
11	54	0.1%
12	40	0.1%
13	25	0.1%
14	21	0.1%
15	21	0.1%
16	19	0%
17	7	0%
18	2	0%
19	6	0%
20	1	0%
21	3	0%
22	2	0%
23	3	0%
24	2	0%
25	0	0%
26	2	0%
27	1	0%
28	1	0%
29	0	0%
30	0	0%
31	1	0%
32	1	0%
33	1	0%
34	1	0%
35	1	0%
36	0	0%
37	0	0%
38	0	0%
39	0	0%
40	0	0%
41	3	0%
42	1	0%
43	0	0%
44	0	0%
45	0	0%
46	0	0%
47	0	0%
48	1	0%
49	0	0%
50	0	0%
51	0	0%
52	0	0%
53	0	0%
54	0	0%
55	0	0%
56	0	0%
57	0	0%
58	0	0%
59	1	0%
60	0	0%
61	0	0%
62	0	0%
63	0	0%
64	0	0%
65	0	0%
66	0	0%
67	0	0%
68	0	0%
69	0	0%
70	0	0%
71	0	0%
72	0	0%
73	0	0%
74	0	0%
75	1	0%

Source presence across MLoS records (Kano)

Source	Records	Share of total
eHealth Geodatabase (2025)	28,007	47.8%
National Polio EOC Geodatabase	15,390	26.3%
eHealth Geodatabase (2021-2024)	9,154	15.6%
GMT	2,511	4.3%
OSM 2025	2,003	3.4%
CIESIN	1,394	2.4%
Fact Foundation (2025)	81	0.1%

Flag totals with definitions and percent of all rows — Kano

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	472	1.2%
flag2	Other records have same combination of LGA, ward, settlement names	2,098	5.1%
flag3	Discrepancy in LGA names between matched settlement names	467	1.1%
flag4	Discrepancy in Ward names between matched settlement names	1,956	4.8%
flag5	Is within 1m of another settlement point	391	1.0%
flag6	Is within 25m of another settlement point	7,239	17.8%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	29,975	73.5%

All flag combinations — Kano

Flag combination	Records
None	29,975
F6	6,106
F2	1,560
F4	1,119
F1	394
F5+F6	341
F2+F6	326
F3+F4	307
F4+F6	256
F3+F4+F6	137
F2+F4	89
F1+F2	56
F2+F5+F6	35
F2+F3+F4	18
F2+F4+F6	12
F1+F6	9
F1+F4	7
F1+F5+F6	6
F4+F5+F6	6
F3+F4+F5+F6	3
F2+F3+F4+F6	2

Katsina

Katsina
Total rows in MLOS v2: 22,589

Sources per record (Katsina)

Sources per record	Records	Share of total
0	0	0%
1	16,681	73.8%
2	2,428	10.7%
3	1,787	7.9%
4	418	1.9%
5	256	1.1%
6	375	1.7%
7	203	0.9%
8	102	0.5%
9	131	0.6%
10	50	0.2%
11	37	0.2%
12	25	0.1%
13	29	0.1%
14	15	0.1%
15	7	0%
16	8	0%
17	8	0%
18	8	0%
19	2	0%
20	4	0%
21	3	0%
22	1	0%
23	3	0%
24	1	0%
25	2	0%
26	1	0%
27	2	0%
28	1	0%
29	0	0%
30	1	0%

Source presence across MLoS records (Katsina)

Source	Records	Share of total
eHealth Geodatabase (2025)	17,224	56.4%
National Polio EOC Geodatabase	7,893	25.8%
eHealth Geodatabase (2021-2024)	5,070	16.6%
OSM 2025	261	0.9%
Fact Foundation (2025)	115	0.4%

Flag totals with definitions and percent of all rows — Katsina

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	898	4.0%
flag2	Other records have same combination of LGA, ward, settlement names	636	2.8%
flag3	Discrepancy in LGA names between matched settlement names	24	0.1%
flag4	Discrepancy in Ward names between matched settlement names	223	1.0%
flag5	Is within 1m of another settlement point	79	0.3%
flag6	Is within 25m of another settlement point	1,024	4.5%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	19,958	88.4%

All flag combinations — Katsina

Flag combination	Records
None	19,958
F6	863
F1	823
F2	523
F4	179
F5+F6	72
F2+F6	53
F1+F2	47
F3+F4	22
F1+F6	17
F4+F6	10
F2+F4	7
F1+F5+F6	4
F1+F4	3
F2+F5+F6	3
F1+F2+F6	2
F1+F2+F4	1
F1+F3+F4	1
F3	1

Kebbi

Kebbi
Total rows in MLOS v2: 16,998

Sources per record (Kebbi)

Sources per record	Records	Share of total
0	0	0%
1	11,707	68.9%
2	2,563	15.1%
3	1,360	8%
4	383	2.3%
5	230	1.4%
6	237	1.4%
7	131	0.8%
8	99	0.6%
9	88	0.5%
10	58	0.3%
11	31	0.2%
12	17	0.1%
13	20	0.1%
14	15	0.1%
15	12	0.1%
16	7	0%
17	4	0%
18	10	0.1%
19	7	0%
20	2	0%
21	2	0%
22	2	0%
23	1	0%
24	3	0%
25	1	0%
26	1	0%
27	2	0%
28	0	0%
29	0	0%
30	0	0%
31	0	0%
32	1	0%
33	1	0%
34	1	0%
35	0	0%
36	1	0%
37	1	0%

Source presence across MLoS records (Kebbi)

Source	Records	Share of total
eHealth Geodatabase (2025)	11,802	50.1%
National Polio EOC Geodatabase	6,135	26%
eHealth Geodatabase (2021-2024)	3,839	16.3%
OSM 2025	1,717	7.3%
Fact Foundation (2025)	80	0.3%

Flag totals with definitions and percent of all rows — Kebbi

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	1,130	6.6%
flag2	Other records have same combination of LGA, ward, settlement names	1,070	6.3%
flag3	Discrepancy in LGA names between matched settlement names	27	0.2%
flag4	Discrepancy in Ward names between matched settlement names	214	1.3%
flag5	Is within 1m of another settlement point	118	0.7%
flag6	Is within 25m of another settlement point	2,753	16.2%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	12,931	76.1%

All flag combinations — Kebbi

Flag combination	Records
None	12,931
F6	1,942
F1	650
F2	404
F2+F6	287
F1+F2+F6	251
F4	160
F1+F6	140
F1+F2	63
F5+F6	60
F2+F5+F6	34
F3+F4	24
F1+F2+F5+F6	21
F4+F6	12
F2+F4	9
F1+F4	4
F3+F4+F6	2
F4+F5+F6	2
F1+F5+F6	1
F2+F3+F4+F6	1

Kogi

Kogi
Total rows in MLOS v2: 9,863

Sources per record (Kogi)

Sources per record	Records	Share of total
0	0	0%
1	7,048	71.5%
2	2,495	25.3%
3	236	2.4%
4	60	0.6%
5	17	0.2%
6	3	0%
7	2	0%
8	0	0%
9	2	0%

Source presence across MLoS records (Kogi)

Source	Records	Share of total
eHealth Geodatabase (2025)	9,349	77.6%
National Polio EOC Geodatabase	2,387	19.8%
OSM 2025	311	2.6%
eHealth Geodatabase (2021-2024)	1	0%

Flag totals with definitions and percent of all rows — Kogi

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	472	4.8%
flag2	Other records have same combination of LGA, ward, settlement names	259	2.6%
flag3	Discrepancy in LGA names between matched settlement names	6	0.1%
flag4	Discrepancy in Ward names between matched settlement names	48	0.5%
flag5	Is within 1m of another settlement point	301	3.1%
flag6	Is within 25m of another settlement point	2,824	28.6%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	6,510	66.0%

All flag combinations — Kogi

Flag combination	Records
None	6,510
F6	2,343
F1	338
F5+F6	283
F2	132
F1+F6	72
F2+F6	68
F4	40
F1+F2+F6	38
F1+F2	13
F1+F5+F6	10
F2+F5+F6	7
F3+F4	6
F4+F6	2
F1+F2+F5+F6	1

Kwara

Kwara
Total rows in MLOS v2: 13,780

Sources per record (Kwara)

Sources per record	Records	Share of total
0	0	0%
1	12,622	91.6%
2	905	6.6%
3	194	1.4%
4	35	0.3%
5	12	0.1%
6	7	0.1%
7	1	0%
8	2	0%
9	1	0%
10	0	0%
11	0	0%
12	1	0%

Source presence across MLoS records (Kwara)

Source	Records	Share of total
eHealth Geodatabase (2025)	12,632	89.5%
CIESIN	908	6.4%
OSM 2025	315	2.2%
National Polio EOC Geodatabase	243	1.7%
eHealth Geodatabase (2021-2024)	15	0.1%

Flag totals with definitions and percent of all rows — Kwara

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	767	5.6%
flag2	Other records have same combination of LGA, ward, settlement names	227	1.6%
flag3	Discrepancy in LGA names between matched settlement names	6	0.0%
flag4	Discrepancy in Ward names between matched settlement names	58	0.4%
flag5	Is within 1m of another settlement point	108	0.8%
flag6	Is within 25m of another settlement point	2,163	15.7%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	10,691	77.6%

All flag combinations — Kwara

Flag combination	Records
None	10,691
F6	1,983
F1	663
F2	184
F5+F6	82
F1+F6	56
F4	48
F1+F2	25
F1+F5+F6	21
F2+F6	10
F2+F5+F6	5
F3+F4	5
F4+F6	3
F1+F2+F6	2
F2+F4	1
F3+F4+F6	1

Lagos

Lagos
Total rows in MLOS v2: 11,177

Sources per record (Lagos)

Sources per record	Records	Share of total
0	0	0%
1	10,870	97.3%
2	279	2.5%
3	22	0.2%
4	3	0%
5	3	0%

Source presence across MLoS records (Lagos)

Source	Records	Share of total
Lagos VTS 2024	9,281	81.6%
National Polio EOC Geodatabase	1,782	15.7%
OSM 2025	211	1.9%
eHealth Geodatabase (2021-2024)	104	0.9%

Flag totals with definitions and percent of all rows — Lagos

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	36	0.3%
flag2	Other records have same combination of LGA, ward, settlement names	3,087	27.6%
flag3	Discrepancy in LGA names between matched settlement names	2	0.0%
flag4	Discrepancy in Ward names between matched settlement names	21	0.2%
flag5	Is within 1m of another settlement point	338	3.0%
flag6	Is within 25m of another settlement point	3,556	31.8%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	5,635	50.4%

All flag combinations — Lagos

Flag combination	Records
None	5,635
F6	2,197
F2	1,933
F2+F6	1,019
F5+F6	213
F2+F5+F6	123
F1	25
F4	16
F1+F2	9
F1+F5+F6	2
F2+F3+F4	1
F2+F4	1
F2+F4+F6	1
F3+F4	1
F4+F6	1

Nasarawa

Nasarawa
Total rows in MLOS v2: 8,943

Sources per record (Nasarawa)

Sources per record	Records	Share of total
0	0	0%
1	8,080	90.3%
2	755	8.4%
3	86	1%
4	17	0.2%
5	3	0%
6	1	0%
7	0	0%
8	0	0%
9	0	0%
10	0	0%
11	1	0%

Source presence across MLoS records (Nasarawa)

Source	Records	Share of total
eHealth Geodatabase (2025)	7,027	73.6%
National Polio EOC Geodatabase	2,359	24.7%
OSM 2025	133	1.4%
eHealth Geodatabase (2021-2024)	35	0.4%

Flag totals with definitions and percent of all rows — Nasarawa

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	766	8.6%
flag2	Other records have same combination of LGA, ward, settlement names	170	1.9%
flag3	Discrepancy in LGA names between matched settlement names	2	0.0%
flag4	Discrepancy in Ward names between matched settlement names	40	0.4%
flag5	Is within 1m of another settlement point	71	0.8%
flag6	Is within 25m of another settlement point	1,722	19.3%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	6,403	71.6%

All flag combinations — Nasarawa

Flag combination	Records
None	6,403
F6	1,532
F1	625
F2	132
F1+F6	107
F5+F6	60
F4	32
F1+F2	23
F1+F5+F6	10
F2+F6	9
F2+F4	4
F3+F4	2
F4+F6	2
F1+F2+F6	1
F2+F5+F6	1

Niger

Niger
Total rows in MLOS v2: 28,447

Sources per record (Niger)

Sources per record	Records	Share of total
0	0	0%
1	21,724	76.4%
2	3,562	12.5%
3	1,904	6.7%
4	566	2%
5	239	0.8%
6	198	0.7%
7	95	0.3%
8	52	0.2%
9	47	0.2%
10	20	0.1%
11	11	0%
12	7	0%
13	6	0%
14	5	0%
15	4	0%
16	3	0%
17	0	0%
18	1	0%
19	0	0%
20	0	0%
21	0	0%
22	0	0%
23	1	0%
24	0	0%
25	0	0%
26	1	0%
27	0	0%
28	0	0%
29	0	0%
30	0	0%
31	0	0%
32	1	0%

Source presence across MLoS records (Niger)

Source	Records	Share of total
eHealth Geodatabase (2025)	17,865	49.9%
National Polio EOC Geodatabase	8,802	24.6%
eHealth Geodatabase (2021-2024)	5,878	16.4%
CIESIN	2,372	6.6%
OSM 2025	556	1.6%
eHealth Niger (2023-2025)	304	0.8%

Flag totals with definitions and percent of all rows — Niger

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	1,244	4.4%
flag2	Other records have same combination of LGA, ward, settlement names	1,718	6.0%
flag3	Discrepancy in LGA names between matched settlement names	94	0.3%
flag4	Discrepancy in Ward names between matched settlement names	634	2.2%
flag5	Is within 1m of another settlement point	2,542	8.9%
flag6	Is within 25m of another settlement point	6,056	21.3%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	19,545	68.7%

All flag combinations — Niger

Flag combination	Records
None	19,545
F6	3,108
F5+F6	2,370
F2	1,290
F1	909
F4	431
F2+F6	234
F1+F5+F6	115
F1+F2	85
F1+F6	82
F3+F4	76
F4+F6	58
F2+F5+F6	45
F2+F4	25
F1+F2+F6	21
F1+F4	18
F1+F2+F5+F6	7
F2+F4+F6	7
F1+F3+F4	6
F2+F3+F4	4
F3+F4+F6	4
F4+F5+F6	3
F3+F4+F5+F6	2
F1+F3	1
F3	1

Ogun

Ogun
Total rows in MLOS v2: 17,926

Sources per record (Ogun)

Sources per record	Records	Share of total
0	0	0%
1	15,248	85.1%
2	2,123	11.8%
3	497	2.8%
4	48	0.3%
5	7	0%
6	2	0%
7	1	0%

Source presence across MLoS records (Ogun)

Source	Records	Share of total
GRID3	12,342	59.7%
National Polio EOC Geodatabase	7,139	34.5%
eHealth Geodatabase (2021-2024)	722	3.5%
OSM 2025	482	2.3%

Flag totals with definitions and percent of all rows — Ogun

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	573	3.2%
flag2	Other records have same combination of LGA, ward, settlement names	1,959	10.9%
flag3	Discrepancy in LGA names between matched settlement names	120	0.7%
flag4	Discrepancy in Ward names between matched settlement names	470	2.6%
flag5	Is within 1m of another settlement point	46	0.3%
flag6	Is within 25m of another settlement point	1,820	10.2%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	13,421	74.9%

All flag combinations — Ogun

Flag combination	Records
None	13,421
F2	1,691
F6	1,603
F1	443
F4	329
F2+F6	149
F3+F4	113
F1+F2	90
F5+F6	19
F1+F5+F6	18
F1+F6	12
F2+F4	12
F1+F2+F5+F6	9
F4+F6	9
F2+F3+F4	7
F1+F2+F6	1

Ondo

Ondo
Total rows in MLOS v2: 3,240

Sources per record (Ondo)

Sources per record	Records	Share of total
0	0	0%
1	3,037	93.7%
2	188	5.8%
3	12	0.4%
4	3	0.1%

Source presence across MLoS records (Ondo)

Source	Records	Share of total
National Polio EOC Geodatabase	3,013	89.5%
OSM 2025	211	6.3%
eHealth Geodatabase (2021-2024)	141	4.2%

Flag totals with definitions and percent of all rows — Ondo

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	958	29.6%
flag2	Other records have same combination of LGA, ward, settlement names	134	4.1%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	0	0.0%
flag5	Is within 1m of another settlement point	76	2.3%
flag6	Is within 25m of another settlement point	229	7.1%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	2,091	64.5%

All flag combinations — Ondo

Flag combination	Records
None	2,091
F1	864
F6	106
F2	45
F1+F6	43
F1+F2+F5+F6	37
F2+F5+F6	37
F1+F2	11
F1+F2+F6	2
F2+F6	2
F1+F5+F6	1
F5+F6	1

Osun

Osun
Total rows in MLOS v2: 5,959

Sources per record (Osun)

Sources per record	Records	Share of total
0	0	0%
1	5,608	94.1%
2	338	5.7%
3	10	0.2%
4	2	0%
5	1	0%

Source presence across MLoS records (Osun)

Source	Records	Share of total
National Polio EOC Geodatabase	5,279	84.8%
CIESIN	527	8.5%
eHealth Geodatabase (2021-2024)	278	4.5%
OSM 2025	141	2.3%

Flag totals with definitions and percent of all rows — Osun

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	701	11.8%
flag2	Other records have same combination of LGA, ward, settlement names	301	5.1%
flag3	Discrepancy in LGA names between matched settlement names	1	0.0%
flag4	Discrepancy in Ward names between matched settlement names	9	0.2%
flag5	Is within 1m of another settlement point	80	1.3%
flag6	Is within 25m of another settlement point	225	3.8%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	4,886	82.0%

All flag combinations — Osun

Flag combination	Records
None	4,886
F1	616
F2	194
F6	129
F1+F2+F5+F6	38
F2+F5+F6	36
F1+F2	29
F1+F6	14
F4	6
F1+F5+F6	4
F2+F4	2
F2+F6	2
F5+F6	2
F3+F4	1

Oyo

Oyo
Total rows in MLOS v2: 11,469

Sources per record (Oyo)

Sources per record	Records	Share of total
0	0	0%
1	10,370	90.4%
2	1,018	8.9%
3	65	0.6%
4	15	0.1%
5	1	0%

Source presence across MLoS records (Oyo)

Source	Records	Share of total
National Polio EOC Geodatabase	11,158	91.3%
eHealth Geodatabase (2021-2024)	716	5.9%
OSM 2025	349	2.9%

Flag totals with definitions and percent of all rows — Oyo

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	617	5.4%
flag2	Other records have same combination of LGA, ward, settlement names	255	2.2%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	0	0.0%
flag5	Is within 1m of another settlement point	12	0.1%
flag6	Is within 25m of another settlement point	589	5.1%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	10,064	87.7%

All flag combinations — Oyo

Flag combination	Records
None	10,064
F1	571
F6	556
F2	215
F1+F2	30
F1+F6	14
F5+F6	8
F2+F6	7
F2+F5+F6	2
F1+F2+F5+F6	1
F1+F5+F6	1

Plateau

Plateau
Total rows in MLOS v2: 13,523

Sources per record (Plateau)

Sources per record	Records	Share of total
0	0	0%
1	12,466	92.2%
2	901	6.7%
3	125	0.9%
4	25	0.2%
5	3	0%
6	2	0%
7	0	0%
8	1	0%

Source presence across MLoS records (Plateau)

Source	Records	Share of total
eHealth Geodatabase (2025)	10,048	70.8%
National Polio EOC Geodatabase	3,874	27.3%
OSM 2025	166	1.2%
eHealth Geodatabase (2021-2024)	95	0.7%

Flag totals with definitions and percent of all rows — Plateau

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	561	4.1%
flag2	Other records have same combination of LGA, ward, settlement names	185	1.4%
flag3	Discrepancy in LGA names between matched settlement names	38	0.3%
flag4	Discrepancy in Ward names between matched settlement names	135	1.0%
flag5	Is within 1m of another settlement point	103	0.8%
flag6	Is within 25m of another settlement point	1,924	14.2%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	10,781	79.7%

All flag combinations — Plateau

Flag combination	Records
None	10,781
F6	1,775
F1	520
F2	158
F5+F6	99
F4	92
F3+F4	35
F1+F6	26
F2+F6	13
F1+F2	12
F4+F6	4
F3+F4+F6	3
F1+F5+F6	2
F2+F5+F6	2
F1+F4	1

Rivers

Rivers
Total rows in MLOS v2: 1,497

Sources per record (Rivers)

Sources per record	Records	Share of total
0	0	0%
1	1,373	91.7%
2	113	7.5%
3	9	0.6%
4	0	0%
5	0	0%
6	0	0%
7	1	0.1%
8	0	0%
9	1	0.1%

Source presence across MLoS records (Rivers)

Source	Records	Share of total
National Polio EOC Geodatabase	1,143	71.4%
OSM 2025	439	27.4%
eHealth Geodatabase (2021-2024)	18	1.1%

Flag totals with definitions and percent of all rows — Rivers

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	44	2.9%
flag2	Other records have same combination of LGA, ward, settlement names	101	6.7%
flag3	Discrepancy in LGA names between matched settlement names	0	0.0%
flag4	Discrepancy in Ward names between matched settlement names	2	0.1%
flag5	Is within 1m of another settlement point	4	0.3%
flag6	Is within 25m of another settlement point	38	2.5%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	1,315	87.8%

All flag combinations — Rivers

Flag combination	Records
None	1,315
F2	98
F1	43
F6	32
F5+F6	4
F2+F6	2
F4	2
F1+F2	1

Sokoto

Sokoto
Total rows in MLOS v2: 15,961

Sources per record (Sokoto)

Sources per record	Records	Share of total
0	0	0%
1	11,465	71.8%
2	1,875	11.7%
3	1,216	7.6%
4	558	3.5%
5	222	1.4%
6	147	0.9%
7	130	0.8%
8	99	0.6%
9	66	0.4%
10	45	0.3%
11	26	0.2%
12	31	0.2%
13	23	0.1%
14	10	0.1%
15	11	0.1%
16	6	0%
17	7	0%
18	7	0%
19	2	0%
20	5	0%
21	1	0%
22	0	0%
23	2	0%
24	2	0%
25	0	0%
26	0	0%
27	1	0%
28	0	0%
29	0	0%
30	0	0%
31	3	0%
32	0	0%
33	1	0%

Source presence across MLoS records (Sokoto)

Source	Records	Share of total
eHealth Geodatabase (2025)	9,461	42.3%
National Polio EOC Geodatabase	4,860	21.8%
eHealth Geodatabase (2021-2024)	3,882	17.4%
Sokoto MLoS	2,667	11.9%
OSM 2025	1,439	6.4%
Fact Foundation (2025)	35	0.2%

Flag totals with definitions and percent of all rows — Sokoto

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	2,208	13.8%
flag2	Other records have same combination of LGA, ward, settlement names	3,852	24.1%
flag3	Discrepancy in LGA names between matched settlement names	11	0.1%
flag4	Discrepancy in Ward names between matched settlement names	110	0.7%
flag5	Is within 1m of another settlement point	400	2.5%
flag6	Is within 25m of another settlement point	4,262	26.7%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	8,489	53.2%

All flag combinations — Sokoto

Flag combination	Records
None	8,489
F2	1,907
F6	1,887
F2+F6	999
F1	988
F1+F2+F6	504
F1+F6	447
F1+F2	233
F5+F6	193
F2+F5+F6	173
F4	61
F1+F2+F5+F6	16
F1+F5+F6	15
F4+F6	13
F2+F4	9
F2+F4+F6	8
F3+F4	8
F1+F4	3
F1+F4+F6	2
F4+F5+F6	2
F2+F3+F4	1
F2+F3+F4+F6	1
F2+F4+F5+F6	1
F3+F4+F6	1

Taraba

Taraba
Total rows in MLOS v2: 11,324

Sources per record (Taraba)

Sources per record	Records	Share of total
0	0	0%
1	10,260	90.6%
2	706	6.2%
3	231	2%
4	106	0.9%
5	14	0.1%
6	3	0%
7	1	0%
8	1	0%
9	1	0%
10	0	0%
11	0	0%
12	0	0%
13	1	0%

Source presence across MLoS records (Taraba)

Source	Records	Share of total
eHealth Geodatabase (2025)	9,064	72.8%
National Polio EOC Geodatabase	2,458	19.7%
eHealth Geodatabase (2021-2024)	690	5.5%
OSM 2025	234	1.9%

Flag totals with definitions and percent of all rows — Taraba

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	855	7.6%
flag2	Other records have same combination of LGA, ward, settlement names	165	1.5%
flag3	Discrepancy in LGA names between matched settlement names	39	0.3%
flag4	Discrepancy in Ward names between matched settlement names	218	1.9%
flag5	Is within 1m of another settlement point	48	0.4%
flag6	Is within 25m of another settlement point	706	6.2%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	9,445	83.4%

All flag combinations — Taraba

Flag combination	Records
None	9,445
F1	820
F6	620
F4	173
F2	127
F3+F4	36
F5+F6	36
F1+F6	17
F2+F6	17
F1+F2	11
F2+F5+F6	7
F1+F5+F6	4
F4+F6	3
F1+F4	2
F2+F4	2
F1+F3+F4	1
F2+F4+F5+F6	1
F3	1
F3+F6	1

Yobe

Yobe
Total rows in MLOS v2: 14,611

Sources per record (Yobe)

Sources per record	Records	Share of total
0	0	0%
1	9,862	67.5%
2	2,175	14.9%
3	1,884	12.9%
4	292	2%
5	119	0.8%
6	100	0.7%
7	69	0.5%
8	21	0.1%
9	27	0.2%
10	18	0.1%
11	17	0.1%
12	8	0.1%
13	5	0%
14	3	0%
15	1	0%
16	5	0%
17	3	0%
18	1	0%
19	1	0%

Source presence across MLoS records (Yobe)

Source	Records	Share of total
eHealth Geodatabase (2025)	10,532	49.8%
eHealth Geodatabase (2021-2024)	5,590	26.4%
National Polio EOC Geodatabase	4,598	21.7%
OSM 2025	221	1%
FACT Foundation (2024)	204	1%

Flag totals with definitions and percent of all rows — Yobe

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	1,256	8.6%
flag2	Other records have same combination of LGA, ward, settlement names	1,735	11.9%
flag3	Discrepancy in LGA names between matched settlement names	22	0.2%
flag4	Discrepancy in Ward names between matched settlement names	151	1.0%
flag5	Is within 1m of another settlement point	226	1.5%
flag6	Is within 25m of another settlement point	2,304	15.8%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	9,862	67.5%

All flag combinations — Yobe

Flag combination	Records
None	9,862
F6	1,651
F2	1,128
F1	1,053
F2+F6	371
F1+F2	128
F5+F6	126
F4	96
F2+F5+F6	75
F1+F6	32
F1+F5+F6	17
F3+F4	16
F1+F2+F6	14
F2+F4	12
F4+F6	8
F1+F4	7
F4+F5+F6	5
F2+F3+F4	4
F1+F2+F5+F6	3
F1+F3+F4	1
F1+F4+F6	1
F3+F4+F6	1

Zamfara

Zamfara
Total rows in MLOS v2: 13,625

Sources per record (Zamfara)

Sources per record	Records	Share of total
0	0	0%
1	9,424	69.2%
2	1,805	13.2%
3	1,395	10.2%
4	307	2.3%
5	142	1%
6	241	1.8%
7	106	0.8%
8	51	0.4%
9	44	0.3%
10	27	0.2%
11	21	0.2%
12	24	0.2%
13	9	0.1%
14	7	0.1%
15	4	0%
16	3	0%
17	2	0%
18	3	0%
19	1	0%
20	1	0%
21	1	0%
22	2	0%
23	1	0%
24	0	0%
25	0	0%
26	2	0%
27	0	0%
28	0	0%
29	0	0%
30	0	0%
31	0	0%
32	0	0%
33	0	0%
34	1	0%
35	0	0%
36	1	0%

Source presence across MLoS records (Zamfara)

Source	Records	Share of total
eHealth Geodatabase (2025)	10,282	53.5%
National Polio EOC Geodatabase	4,404	22.9%
eHealth Geodatabase (2021-2024)	3,717	19.3%
OSM 2025	795	4.1%
Fact Foundation (2025)	36	0.2%

Flag totals with definitions and percent of all rows — Zamfara

Flag	Definition	Count	Percent
flag1	More than 150m from nearest settlement extent	747	5.5%
flag2	Other records have same combination of LGA, ward, settlement names	958	7.0%
flag3	Discrepancy in LGA names between matched settlement names	27	0.2%
flag4	Discrepancy in Ward names between matched settlement names	277	2.0%
flag5	Is within 1m of another settlement point	227	1.7%
flag6	Is within 25m of another settlement point	2,389	17.5%
flag7	Settlement name contains PoI-type words	0	0.0%
None	No flags set	9,778	71.8%

All flag combinations — Zamfara

Flag combination	Records
None	9,778
F6	1,798
F1	634
F2	548
F2+F6	289
F4	200
F5+F6	149
F2+F5+F6	51
F1+F6	33
F1+F2	27
F3+F4	23
F4+F6	22
F1+F5+F6	18
F1+F2+F6	15
F2+F4	13
F1+F4	9
F1+F2+F5+F6	8
F2+F4+F6	4
F1+F3+F4	2
F1+F2+F4	1
F2+F3+F4	1
F2+F3+F4+F6	1
F4+F5+F6	1

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